Home / 3,198.09-4,419.60-2,599.41

Finding the Fourth Proportional to 3,198.09, 4,419.60 and 2,599.41

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Solution

The fourth proportional to 3,198.09, 4,419.60 and 2,599.41 is: 3,592.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.09 : 4,419.60 = 2,599.41 : x
  2. Step 2: Convert to fraction form
    3,198.09/4,419.60 = 2,599.41/x
  3. Step 3: Cross multiply
    3,198.09x = 4,419.60 × 2,599.41
  4. Step 4: Simplify right side
    3,198.09x = 11,488,352.44
  5. Step 5: Solve for x
    x = 11,488,352.44/3,198.09
  6. Step 6: Final answer
    x = 3,592.25

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Half scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.